State of Louisiana v. Plessy (state-level proceedings)
E1419566
UNEXPLORED
State of Louisiana v. Plessy (state-level proceedings) was the initial criminal case against Homer Plessy for violating Louisiana’s segregation law, which set the stage for the landmark U.S. Supreme Court decision in Plessy v. Ferguson.
All labels observed (1)
| Label | Occurrences |
|---|---|
| State of Louisiana v. Plessy (state-level proceedings) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20240759 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: State of Louisiana v. Plessy (state-level proceedings) Context triple: [Louisiana Separate Car Act, hasCourtChallenge, State of Louisiana v. Plessy (state-level proceedings)]
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A.
Allgeyer v. Louisiana
Allgeyer v. Louisiana is an 1897 U.S. Supreme Court decision that first recognized a broad constitutional "liberty of contract" under the Fourteenth Amendment, limiting state interference in private economic agreements.
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B.
Montgomery v. Louisiana
Montgomery v. Louisiana is a landmark 2016 U.S. Supreme Court decision that made the ban on mandatory life without parole sentences for juveniles retroactive, requiring states to apply that constitutional rule to past cases.
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C.
Louisiana Separate Car Act
The Louisiana Separate Car Act was an 1890 state law mandating racially segregated railway accommodations, which became the focus of the landmark Plessy v. Ferguson Supreme Court case upholding “separate but equal” segregation.
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D.
Duncan v. Louisiana
Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.
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E.
Plessy v. Ferguson (1896)
Plessy v. Ferguson (1896) was a landmark U.S. Supreme Court case that upheld racial segregation under the “separate but equal” doctrine, legitimizing Jim Crow laws for decades.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: State of Louisiana v. Plessy (state-level proceedings) Target entity description: State of Louisiana v. Plessy (state-level proceedings) was the initial criminal case against Homer Plessy for violating Louisiana’s segregation law, which set the stage for the landmark U.S. Supreme Court decision in Plessy v. Ferguson.
-
A.
Allgeyer v. Louisiana
Allgeyer v. Louisiana is an 1897 U.S. Supreme Court decision that first recognized a broad constitutional "liberty of contract" under the Fourteenth Amendment, limiting state interference in private economic agreements.
-
B.
Montgomery v. Louisiana
Montgomery v. Louisiana is a landmark 2016 U.S. Supreme Court decision that made the ban on mandatory life without parole sentences for juveniles retroactive, requiring states to apply that constitutional rule to past cases.
-
C.
Louisiana Separate Car Act
The Louisiana Separate Car Act was an 1890 state law mandating racially segregated railway accommodations, which became the focus of the landmark Plessy v. Ferguson Supreme Court case upholding “separate but equal” segregation.
-
D.
Duncan v. Louisiana
Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.
-
E.
Plessy v. Ferguson (1896)
Plessy v. Ferguson (1896) was a landmark U.S. Supreme Court case that upheld racial segregation under the “separate but equal” doctrine, legitimizing Jim Crow laws for decades.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Louisiana Separate Car Act
→
hasCourtChallenge
→
State of Louisiana v. Plessy (state-level proceedings)
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